}
EXPORT_SYMBOL_GPL(drm_kunit_helper_create_primary_plane);
+static const struct drm_crtc_helper_funcs default_crtc_helper_funcs = {
+};
+
+static const struct drm_crtc_funcs default_crtc_funcs = {
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .reset = drm_atomic_helper_crtc_reset,
+};
+
+/**
+ * drm_kunit_helper_create_crtc - Creates a mock CRTC for a KUnit test
+ * @test: The test context object
+ * @drm: The device to alloc the plane for
+ * @primary: Primary plane for CRTC
+ * @cursor: Cursor plane for CRTC. Optional.
+ * @funcs: Callbacks for the new plane. Optional.
+ * @helper_funcs: Helpers callbacks for the new plane. Optional.
+ *
+ * This allocates and initializes a mock struct &drm_crtc meant to be
+ * part of a mock device for a KUnit test.
+ *
+ * Resources will be cleaned up automatically.
+ *
+ * @funcs will default to the default helpers implementations.
+ * @helper_funcs will default to an empty implementation.
+ *
+ * Returns:
+ * A pointer to the new CRTC, or an ERR_PTR() otherwise.
+ */
+struct drm_crtc *
+drm_kunit_helper_create_crtc(struct kunit *test,
+ struct drm_device *drm,
+ struct drm_plane *primary,
+ struct drm_plane *cursor,
+ const struct drm_crtc_funcs *funcs,
+ const struct drm_crtc_helper_funcs *helper_funcs)
+{
+ struct drm_crtc *crtc;
+ int ret;
+
+ if (!funcs)
+ funcs = &default_crtc_funcs;
+
+ if (!helper_funcs)
+ helper_funcs = &default_crtc_helper_funcs;
+
+ crtc = drmm_kzalloc(drm, sizeof(*crtc), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, crtc);
+
+ ret = drmm_crtc_init_with_planes(drm, crtc,
+ primary,
+ cursor,
+ funcs,
+ NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_crtc_helper_add(crtc, helper_funcs);
+
+ return crtc;
+}
+EXPORT_SYMBOL_GPL(drm_kunit_helper_create_crtc);
+
MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>");
MODULE_LICENSE("GPL");
#include <kunit/test.h>
+struct drm_crtc_funcs;
+struct drm_crtc_helper_funcs;
struct drm_device;
struct drm_plane_funcs;
struct drm_plane_helper_funcs;
unsigned int num_formats,
const uint64_t *modifiers);
+struct drm_crtc *
+drm_kunit_helper_create_crtc(struct kunit *test,
+ struct drm_device *drm,
+ struct drm_plane *primary,
+ struct drm_plane *cursor,
+ const struct drm_crtc_funcs *funcs,
+ const struct drm_crtc_helper_funcs *helper_funcs);
+
#endif // DRM_KUNIT_HELPERS_H_